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<div class="subTitle">org.apache.commons.codec.binary</div>
<h2 title="Class Base32" class="title">Class Base32</h2>
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<li><a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html" title="class in org.apache.commons.codec.binary">org.apache.commons.codec.binary.BaseNCodec</a></li>
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<li>org.apache.commons.codec.binary.Base32</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/commons/codec/BinaryDecoder.html" title="interface in org.apache.commons.codec">BinaryDecoder</a>, <a href="../../../../../org/apache/commons/codec/BinaryEncoder.html" title="interface in org.apache.commons.codec">BinaryEncoder</a>, <a href="../../../../../org/apache/commons/codec/Decoder.html" title="interface in org.apache.commons.codec">Decoder</a>, <a href="../../../../../org/apache/commons/codec/Encoder.html" title="interface in org.apache.commons.codec">Encoder</a></dd>
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<pre>public class <span class="strong">Base32</span>
extends <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html" title="class in org.apache.commons.codec.binary">BaseNCodec</a></pre>
<div class="block">Provides Base32 encoding and decoding as defined by <a href="http://www.ietf.org/rfc/rfc4648.txt">RFC 4648</a>.

 <p>
 The class can be parameterized in the following manner with various constructors:
 </p>
 <ul>
 <li>Whether to use the "base32hex" variant instead of the default "base32"</li>
 <li>Line length: Default 76. Line length that aren't multiples of 8 will still essentially end up being multiples of
 8 in the encoded data.
 <li>Line separator: Default is CRLF ("\r\n")</li>
 </ul>
 <p>
 This class operates directly on byte streams, and not character streams.
 </p>
 <p>
 This class is thread-safe.
 </p></div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.5</dd>
<dt><span class="strong">Version:</span></dt>
  <dd>$Id: Base32.java 1619949 2014-08-22 22:56:08Z ggregory $</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="http://www.ietf.org/rfc/rfc4648.txt">RFC 4648</a></dd></dl>
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<h3>Fields inherited from class&nbsp;org.apache.commons.codec.binary.<a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html" title="class in org.apache.commons.codec.binary">BaseNCodec</a></h3>
<code><a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#lineLength">lineLength</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#MASK_8BITS">MASK_8BITS</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#MIME_CHUNK_SIZE">MIME_CHUNK_SIZE</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#pad">pad</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#PAD">PAD</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#PAD_DEFAULT">PAD_DEFAULT</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#PEM_CHUNK_SIZE">PEM_CHUNK_SIZE</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#Base32()">Base32</a></strong>()</code>
<div class="block">Creates a Base32 codec used for decoding and encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#Base32(boolean)">Base32</a></strong>(boolean&nbsp;useHex)</code>
<div class="block">Creates a Base32 codec used for decoding and encoding.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#Base32(boolean,%20byte)">Base32</a></strong>(boolean&nbsp;useHex,
      byte&nbsp;pad)</code>
<div class="block">Creates a Base32 codec used for decoding and encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#Base32(byte)">Base32</a></strong>(byte&nbsp;pad)</code>
<div class="block">Creates a Base32 codec used for decoding and encoding.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#Base32(int)">Base32</a></strong>(int&nbsp;lineLength)</code>
<div class="block">Creates a Base32 codec used for decoding and encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#Base32(int,%20byte[])">Base32</a></strong>(int&nbsp;lineLength,
      byte[]&nbsp;lineSeparator)</code>
<div class="block">Creates a Base32 codec used for decoding and encoding.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#Base32(int,%20byte[],%20boolean)">Base32</a></strong>(int&nbsp;lineLength,
      byte[]&nbsp;lineSeparator,
      boolean&nbsp;useHex)</code>
<div class="block">Creates a Base32 / Base32 Hex codec used for decoding and encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#Base32(int,%20byte[],%20boolean,%20byte)">Base32</a></strong>(int&nbsp;lineLength,
      byte[]&nbsp;lineSeparator,
      boolean&nbsp;useHex,
      byte&nbsp;pad)</code>
<div class="block">Creates a Base32 / Base32 Hex codec used for decoding and encoding.</div>
</td>
</tr>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/codec/binary/Base32.html#isInAlphabet(byte)">isInAlphabet</a></strong>(byte&nbsp;octet)</code>
<div class="block">Returns whether or not the <code>octet</code> is in the Base32 alphabet.</div>
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<h3>Methods inherited from class&nbsp;org.apache.commons.codec.binary.<a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html" title="class in org.apache.commons.codec.binary">BaseNCodec</a></h3>
<code><a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#containsAlphabetOrPad(byte[])">containsAlphabetOrPad</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#decode(byte[])">decode</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#decode(java.lang.Object)">decode</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#decode(java.lang.String)">decode</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#encode(byte[])">encode</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#encode(java.lang.Object)">encode</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#encodeAsString(byte[])">encodeAsString</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#encodeToString(byte[])">encodeToString</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#ensureBufferSize(int,%20org.apache.commons.codec.binary.BaseNCodec.Context)">ensureBufferSize</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#getDefaultBufferSize()">getDefaultBufferSize</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#getEncodedLength(byte[])">getEncodedLength</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#isInAlphabet(byte[],%20boolean)">isInAlphabet</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#isInAlphabet(java.lang.String)">isInAlphabet</a>, <a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#isWhiteSpace(byte)">isWhiteSpace</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h3>Constructor Detail</h3>
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<h4>Base32</h4>
<pre>public&nbsp;Base32()</pre>
<div class="block">Creates a Base32 codec used for decoding and encoding.
 <p>
 When encoding the line length is 0 (no chunking).
 </p></div>
</li>
</ul>
<a name="Base32(byte)">
<!--   -->
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<h4>Base32</h4>
<pre>public&nbsp;Base32(byte&nbsp;pad)</pre>
<div class="block">Creates a Base32 codec used for decoding and encoding.
 <p>
 When encoding the line length is 0 (no chunking).
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>pad</code> - byte used as padding byte.</dd></dl>
</li>
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<a name="Base32(boolean)">
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<h4>Base32</h4>
<pre>public&nbsp;Base32(boolean&nbsp;useHex)</pre>
<div class="block">Creates a Base32 codec used for decoding and encoding.
 <p>
 When encoding the line length is 0 (no chunking).
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>useHex</code> - if <code>true</code> then use Base32 Hex alphabet</dd></dl>
</li>
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<h4>Base32</h4>
<pre>public&nbsp;Base32(boolean&nbsp;useHex,
      byte&nbsp;pad)</pre>
<div class="block">Creates a Base32 codec used for decoding and encoding.
 <p>
 When encoding the line length is 0 (no chunking).
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>useHex</code> - if <code>true</code> then use Base32 Hex alphabet</dd><dd><code>pad</code> - byte used as padding byte.</dd></dl>
</li>
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<a name="Base32(int)">
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<h4>Base32</h4>
<pre>public&nbsp;Base32(int&nbsp;lineLength)</pre>
<div class="block">Creates a Base32 codec used for decoding and encoding.
 <p>
 When encoding the line length is given in the constructor, the line separator is CRLF.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lineLength</code> - Each line of encoded data will be at most of the given length (rounded down to nearest multiple of
            8). If lineLength &lt;= 0, then the output will not be divided into lines (chunks). Ignored when
            decoding.</dd></dl>
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<h4>Base32</h4>
<pre>public&nbsp;Base32(int&nbsp;lineLength,
      byte[]&nbsp;lineSeparator)</pre>
<div class="block">Creates a Base32 codec used for decoding and encoding.
 <p>
 When encoding the line length and line separator are given in the constructor.
 </p>
 <p>
 Line lengths that aren't multiples of 8 will still essentially end up being multiples of 8 in the encoded data.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lineLength</code> - Each line of encoded data will be at most of the given length (rounded down to nearest multiple of
            8). If lineLength &lt;= 0, then the output will not be divided into lines (chunks). Ignored when
            decoding.</dd><dd><code>lineSeparator</code> - Each line of encoded data will end with this sequence of bytes.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - The provided lineSeparator included some Base32 characters. That's not going to work!</dd></dl>
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<h4>Base32</h4>
<pre>public&nbsp;Base32(int&nbsp;lineLength,
      byte[]&nbsp;lineSeparator,
      boolean&nbsp;useHex)</pre>
<div class="block">Creates a Base32 / Base32 Hex codec used for decoding and encoding.
 <p>
 When encoding the line length and line separator are given in the constructor.
 </p>
 <p>
 Line lengths that aren't multiples of 8 will still essentially end up being multiples of 8 in the encoded data.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lineLength</code> - Each line of encoded data will be at most of the given length (rounded down to nearest multiple of
            8). If lineLength &lt;= 0, then the output will not be divided into lines (chunks). Ignored when
            decoding.</dd><dd><code>lineSeparator</code> - Each line of encoded data will end with this sequence of bytes.</dd><dd><code>useHex</code> - if <code>true</code>, then use Base32 Hex alphabet, otherwise use Base32 alphabet</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - The provided lineSeparator included some Base32 characters. That's not going to work! Or the
             lineLength &gt; 0 and lineSeparator is null.</dd></dl>
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<h4>Base32</h4>
<pre>public&nbsp;Base32(int&nbsp;lineLength,
      byte[]&nbsp;lineSeparator,
      boolean&nbsp;useHex,
      byte&nbsp;pad)</pre>
<div class="block">Creates a Base32 / Base32 Hex codec used for decoding and encoding.
 <p>
 When encoding the line length and line separator are given in the constructor.
 </p>
 <p>
 Line lengths that aren't multiples of 8 will still essentially end up being multiples of 8 in the encoded data.
 </p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>lineLength</code> - Each line of encoded data will be at most of the given length (rounded down to nearest multiple of
            8). If lineLength &lt;= 0, then the output will not be divided into lines (chunks). Ignored when
            decoding.</dd><dd><code>lineSeparator</code> - Each line of encoded data will end with this sequence of bytes.</dd><dd><code>useHex</code> - if <code>true</code>, then use Base32 Hex alphabet, otherwise use Base32 alphabet</dd><dd><code>pad</code> - byte used as padding byte.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - The provided lineSeparator included some Base32 characters. That's not going to work! Or the
             lineLength &gt; 0 and lineSeparator is null.</dd></dl>
</li>
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<h4>isInAlphabet</h4>
<pre>public&nbsp;boolean&nbsp;isInAlphabet(byte&nbsp;octet)</pre>
<div class="block">Returns whether or not the <code>octet</code> is in the Base32 alphabet.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html#isInAlphabet(byte)">isInAlphabet</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/codec/binary/BaseNCodec.html" title="class in org.apache.commons.codec.binary">BaseNCodec</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>octet</code> - The value to test</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>true</code> if the value is defined in the the Base32 alphabet <code>false</code> otherwise.</dd></dl>
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